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git01.mediatek.com / filogic / uboot / 417dafe525927274bab4fd18b0c6513fe42a36f0 / . / include / net / sntp.h
blob: 5dd9aa36fea05d67b4af756d3d3a565b7ecfa5a5 [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -0400[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0+ */
wdenkb4ad9622005-04-01 00:25:43 +0000[diff] [blame]2/*
3 * (C) Masami Komiya <mkomiya@sonare.it> 2005
wdenkb4ad9622005-04-01 00:25:43 +0000[diff] [blame]4 */
5
6#ifndef __SNTP_H__
7#define __SNTP_H__
8
9#define NTP_SERVICE_PORT 123
10#define SNTP_PACKET_LEN 48
11
wdenkb4ad9622005-04-01 00:25:43 +0000[diff] [blame]12/* Leap Indicator */
13#define NTP_LI_NOLEAP 0x0
14#define NTP_LI_61SECS 0x1
15#define NTP_LI_59SECS 0x2
16#define NTP_LI_ALARM 0x3
17
18/* Version */
19
20#define NTP_VERSION 4
21
22/* Mode */
23#define NTP_MODE_RESERVED 0
24#define NTP_MODE_SYMACTIVE 1 /* Symmetric Active */
25#define NTP_MODE_SYMPASSIVE 2 /* Symmetric Passive */
26#define NTP_MODE_CLIENT 3
27#define NTP_MODE_SERVER 4
28#define NTP_MODE_BROADCAST 5
29#define NTP_MODE_NTPCTRL 6 /* Reserved for NTP control message */
30#define NTP_MODE_PRIVATE 7 /* Reserved for private use */
31
32struct sntp_pkt_t {
33#if __LITTLE_ENDIAN
34 uchar mode:3;
35 uchar vn:3;
36 uchar li:2;
37#else
38 uchar li:2;
39 uchar vn:3;
40 uchar mode:3;
41#endif
42 uchar stratum;
43 uchar poll;
44 uchar precision;
45 uint root_delay;
46 uint root_dispersion;
47 uint reference_id;
48 unsigned long long reference_timestamp;
49 unsigned long long originate_timestamp;
50 unsigned long long receive_timestamp;
51 unsigned long long transmit_timestamp;
Denis Pynkin4c7a6e02017-07-21 19:28:42 +0300[diff] [blame]52} __attribute__((packed));
wdenkb4ad9622005-04-01 00:25:43 +0000[diff] [blame]53
Philippe Reynes2829d992020-09-18 14:13:02 +0200[diff] [blame]54int sntp_prereq(void *data);
55int sntp_start(void *data); /* Begin SNTP */
wdenkb4ad9622005-04-01 00:25:43 +0000[diff] [blame]56
57#endif /* __SNTP_H__ */